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Glass is more scratch-resistant, than plastic. Cr-39 optical quality plastic, dieselwristwatch made of hard resin, is considered the best plastic for lenses. It weighs half as much as glass, which means it is not heavy on the face. It exceeds fda requirements for impact-resistance because of its comparatively loose dieselwristwatch molecular structure. A remarkably strong plastic - in fact, aircraft dieselwristwatch windshields, motorcycle windshields, and sport safety glasses are made of polycarbonate because it is so strong. Compared dieselwristwatch to cr-39 and glass, polycarbonate plastic weighs the least and is the most impact-resistant. 20 times more impact resistant and 3 times lighter than glass. A good choice for those who want really rugged sunglasses: for people who engage in outdoor activities and fast-action sports. Polycarbonate is widely used, and is considered the second optical plastic. Its major drawback is that it is soft and susceptible to scratching and abrasion. It must be hard-coated to raise its scratch-resistance to that of cr-39.
It’s always best to place your sunglasses in a case when you aren''t wearing them. Not only will it help in venting them from becoming scratched, but it will also protect dieselwristwatch them from accidentally breaking, dieselwristwatch like someone sitting on them. Avoid placing your glasses without a case in your purse or pocket. Keys or combs can easily scratch them. When not using a case, do place your sunglasses on folded temples with the frame facing upward if you leave them on a table or any other hard surface. Cleaning clean dust and lint from your lenses with a soft cloth. An excellent suggestion is the cloth, which we stock in all of our stores. Using a micro clair will ensure that the lenses do not become scratched. To remove smudges, oils, and/or fingerprints, we recommend using a dieselwristwatch lens cleaner or washing the lenses with a mild soap and water.
To prevent scratches, never use your fingers dieselwristwatch or fingernails to remove dieselwristwatch a spot on the lens surface, and never clean your sunglasses with a rough fabric such as wool or denim. More than likely, they''ll get scratched. Small or delicate faces with thin hair, lips and, eyebrows should choose smaller, delicate frames and vice versa. Short faces can be made to look longer in a high-placed, light-colored temple. Long noses or wide-set eyes look best with a heavy, dark bridge that sits low on the nose. Small noses or close-set eyes look best with a high, thin, light bridge. Rimless styles are also flattering. Wide nostrils look best with a wide keyhole bridge (an open space at the bridge area). Close-set eyes appear further apart when paired with frames that are light or clear in the nose area. Eyes that are set far apart benefit from frames that are darker in the nose area and have a wider bridge.
Click here - Click here to go to our online catalog of watches. We have the best selection of brand name watches and accessories.
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